<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left">
      <div class="title-container">
        <h3 class="title">管理员登录</h3>
      </div>
      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input v-model="loginForm.username" name="username" type="text" tabindex="1" auto-complete="on" placeholder="管理员账户" />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input v-model="loginForm.password" :type="passwordType" name="password" auto-complete="on" tabindex="2" show-password placeholder="管理员密码" @keyup.enter.native="handleLogin" />
      </el-form-item>

      <el-form-item prop="code">
        <span class="svg-container">
          <svg-icon icon-class="lock" />
        </span>
        <el-input v-model="loginForm.code" auto-complete="off" name="code" tabindex="2" placeholder="验证码" style="width: 65%" @keyup.enter.native="handleLogin" />
        <el-button
          @click.native.prevent="getCode()"
          class="bind_code_gain"
          :disabled="disabled"
          >{{ btnText }}</el-button>
      </el-form-item>

      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;padding: 12px 20px;" @click.native.prevent="handleLogin">登录</el-button>

    </el-form>

    <div class="copyright">
      Copyright © 2022 927069313@qq.com 版权所有 <a href="https://beian.miit.gov.cn/">黔ICP备2022000992号</a>
    </div>
  </div>
</template>

<script>
import { getCaptcha } from '@/api/login'

export default {
  name: 'Login',
  data() {
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('管理员密码长度应大于6'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: '',
        password: '',
        code: ''
      },
      loginRules: {
        username: [{ required: true, message: '管理员账户不允许为空', trigger: 'blur' }],
        password: [
          { required: true, message: '管理员密码不允许为空', trigger: 'blur' },
          { validator: validatePassword, trigger: 'blur' }
        ],
      },
      passwordType: 'password',
      loading: false,
      // 发送验证码的 文本 以及按钮是否可以按
      type: "",
      btnText: "发送验证码",
      disabled: false,
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        this.redirect = route.query && route.query.redirect
      },
      immediate: true
    }

  },

  methods: {
    getCode() {
      //邮箱为空的话
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          getCaptcha(this.loginForm).then(response => {
            console.log(response.data.data);
            this.$notify.success({
              title: '成功',
              message: response.data.data
            })
            this.disabled = true;
            this.btnText = "请稍候...";
            setTimeout(() => {
              this.doLoop(60);
            }, 500);
          })
          .catch(response => {
            this.$notify.error({
              title: '失败',
              message: response.data.errmsg
            })
          })
        } else {
          return false;
        }
      })
    },

    // 邮箱验证码的倒计时
    doLoop(seconds) {
      seconds = seconds ? seconds : 60;
      this.btnText = seconds + "s后获取";
      // this.code = code
      let countdown = setInterval(() => {
        if (seconds > 0) {
          this.btnText = seconds + "s后获取";
          --seconds;
        } else {
          this.btnText = "获取验证码";
          this.disabled = false;
          clearInterval(countdown);
        }
      }, 1000);
    },

    //登录
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid && !this.loading) {
          this.loading = true
          this.$store.dispatch('LoginByUsername', this.loginForm).then(() => {
            this.loading = false
            this.$router.push({ path: this.redirect || '/' })
          }).catch(response => {
            this.$notify.error({
              title: '失败',
              message: response.data.errmsg
            })
            this.loading = false
          })
        } else {
          return false
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }
   .bind_code_gain {
      position: absolute;
      top: calc(7%);
      right: 4px;
      font-size: 14px;
      font-family: MicrosoftYaHei;
      color: #20aee5;
      padding: 12px 20px;
      cursor: pointer;
      border-left: 1px solid #d8d8d8;
  }
  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }


  .copyright {
    display: flex;
    width: 100%;
    position: absolute;
    /* 设置水平居中 */
    justify-content: center;
    font-size: 13px;
    color: #fff;
    letter-spacing: 0.6px;
    margin-bottom: 20px;
    margin-top: 141px;
    a {
      font-weight: bold;
      border-bottom: 1px solid #fff;
      font-family: "PingFangSC-Semibold", sans-serif;
    }

  }

  // .copyright {
  //   width:100%;
  //   margin-bottom:30px;
  //   font-size: 12px;
  //   color: #fff;
  //   position: absolute;
  //   bottom: 0;
  //   left: 50%;
  //   transform: translate(-50%, -50%);
  //   margin-bottom: 20px;
  //   letter-spacing: 0.6px;
  //   a {
  //     font-weight: bold;
  //     border-bottom: 1px solid #fff;
  //     font-family: "PingFangSC-Semibold", sans-serif;
  //   }
  // }
}
</style>
